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post #1 of 8 (permalink) Old 04-25-2013, 05:37 PM Thread Starter
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Default guides and templetts

what do you use thes to do
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post #2 of 8 (permalink) Old 04-26-2013, 04:50 AM
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A Template is a piece of sheet material previously formed to a shape that might otherwise be difficult to reproduce accurately. It might be something that you buy from a supplier, or you might be given a full sized or scaled down drawing to transfer to sheet, cut out and sand to the required accuracy. Generally speaking the more complex the finished the component, the greater the benefit of using a template to produce it.

As an example you might be working on a table with 4 legs that are not parallel sided. By making a template for the leg profile, you can use the template to ensure that each leg profile is identical to the others. Yes you spend some time and use some material making the template and getting the edges perfect etc, but you do it once on a thin piece of material, not 4 times on 3inch thick material.

Once you have a satisfactory template you can sit it onto your component material, and trace around it with a pencil. You can use the outline as a guide to bandsaw the shape required, allowing a small amount of excess material beyond the line. Then by using a router with a flush trim (bearing at tip) or pattern (bearing on shank) bit, and fixing the template to the component blank, you can route the component to final shape (and close to final finish) by working around the component with the bearing running against the template and ensuring that you cannot route beyond the desired edge.

As an alternative to a bearing bit, you could fix a template guide to the base of your router. The router bit will pass through the hollow centre of the guide. With this system, there will be some offset between the edge of the template and the path of the router bit, and this is normally factored into the template design. In use, the template guide follows the template in the same way as the bearing on a pattern (bearing on shank) bit would, however the bit is generally free to be plunged and withdrawn as required. This is often not possible with a pattern bit as once the bit moves up or down a moderate amount, the bearing would leave the template edge, allowing loss of control with potential to damage the component and the template. Possible applications include routing complex shapes,plunged surface decoration, mortices etc. One possible template guide application where plunge and withdraw would not be appropriate would be routing dovetails where changing the bit depth would change the fit of the joint.

Hope this helps.

Last edited by malb; 04-26-2013 at 04:53 AM.
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post #3 of 8 (permalink) Old 04-26-2013, 09:22 AM Thread Starter
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thank you
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post #4 of 8 (permalink) Old 04-26-2013, 10:02 AM
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Quote:
Originally Posted by old knothead View Post
what do you use thes to do
Templates and template guides ensure accurate and repeatable routing. The first shot shows a guide fitted to the router, the second one is to rout the four rebates, the third template on the work piece, it's centre rebate completed whilst the last one shows the finished drinks tray. I've included a pdf showing the full project
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post #5 of 8 (permalink) Old 04-26-2013, 02:37 PM
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I call mine masters, just make whatever I need at the time.

Nice job Harry, and I really like the idea of the flashlight (torch to you) for light, I'll have to steal that one.

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post #6 of 8 (permalink) Old 04-26-2013, 03:54 PM
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Theo It looks like that decanter needs some of James's "sugar syrup medicine" he mentioned in a recent post. Again nice work Harry!

Where there's a Willis there's a way!
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post #7 of 8 (permalink) Old 04-27-2013, 10:08 AM
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Thanks guys. After having a whiskey every evening for over 30 years I suddenly decided that I no longer liked the taste so now I have a glass of tonic water which helps to stop leg cramps in bed. The tray was made to demonstrate to a member how I go about such a project.

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post #8 of 8 (permalink) Old 04-27-2013, 09:46 PM
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Originally Posted by Willway View Post
Theo It looks like that decanter needs some of James's "sugar syrup medicine" he mentioned in a recent post. Again nice work Harry!
I only drink non-alcoholic beer now, but I'll pass on something I learned many years ago. You get some cheap alcohol, not actual rotgut, just a cheap storebought whiskey. Then to each shot, add one drop of sloe gin. So, if you put 25 shots in a decenter like that one, then you'd add 25 drops of sloe gin. Doesn't need more, and don't use less. You will be absolutely amazed at how smooth and expensive tasting it will make that cheap whiskey taste. And it's always fun to tell people that ask that you got it a long time ago, in a very expensive store, it cost $250 a fifth, but you decided to splurge.

"It ain't what you're told, it's what you know." - Granny Weatherwax
Some days, the supply of available curse words is insufficient to meet my demands.
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